<?php
class User {
    /**
     * user login status checking
     * system hooker needed.
     */
    public static function isLogined() {
        /**
         * this is the example of login checking
         * and server parameters invoke
         * 
        HttpParams::set('_L', true);
        HttpParmas::set('_L_UID', 1222);
        HttpParmas::set('_L_UNAME', 'test');
        */
    }
}